Finding the LCM and GCF of Monomials

What is the greatest common factor (GCF) of 10b² and 10?

• 2

• 5

• 10

• 10b

What is the greatest common factor (GCF) of 48x²and 32x³?

• 8x²

• 16x²

• 16x

• 96x³

Find the GCF of 3xy and 15x³y³

• 15x³y³

• 3x³y³

• 45x³y³

• 3xy

Find the GCF of 9u⁴v²w and 5u⁴vw³

• u⁴vw

• 5u⁴vw

• 45u⁴vw

• 45u⁴v²w³

What is the greatest common factor of the monomials: 35xy³ 55x³y 5x²y²

• 5xy

• 5x³y³

• 385x⁶y⁶

• 385x³y³

What is the greatest common factor of 28y²and 49y²?

• 7y

• 21y²

• 196y²

• 7y²

What is the greatest common factor of 42xy² and 28x³y?

• 84x³y²

• 14y

• 14xy

• 14xy²

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b³

• 10b³

• 10ab²

• 10b²

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the least common multiple (LCM) of 
10a⁴ , 16a and 10a² ?

• 80a⁴

• 2a²

• 10a

• 10a²